Fig. 2: Synthesis of organic chlorides from chlorine.
From: Sustainable synthesis of fine chemicals and polymers using industrial chlorine chemistry

A Electrophilic aromatic substitution. B Photochlorination at the benzyl position. C Hydrolysis of benzal chloride to benzaldehyde. D Hydrolysis of benzotrichloride to benzoyl chloride. E Chlorine–oxygen exchange reaction between carboxylic acid and benzotrichloride.